Home / 14,344.93-21,471.32-7,664.73

Finding the Fourth Proportional to 14,344.93, 21,471.32 and 7,664.73

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Solution

The fourth proportional to 14,344.93, 21,471.32 and 7,664.73 is: 11,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.93 : 21,471.32 = 7,664.73 : x
  2. Step 2: Convert to fraction form
    14,344.93/21,471.32 = 7,664.73/x
  3. Step 3: Cross multiply
    14,344.93x = 21,471.32 × 7,664.73
  4. Step 4: Simplify right side
    14,344.93x = 164,571,870.54
  5. Step 5: Solve for x
    x = 164,571,870.54/14,344.93
  6. Step 6: Final answer
    x = 11,472.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.